Mathematics, 01.07.2019 22:30 DBE12
Micah was asked to add the following expressions: 3x2−x−9x2+3x+2+−2x2+2x+5x2+3x+2 first, he combined like terms in the numerator and kept the common denominator. x2+x−4x2+3x+2 next, he simplified the expression by canceling the like term, x2. his final, simplified answer was: x−43x+2 did micah add the expressions correctly? explain your answer using complete sentences.
Answers: 1
Mathematics, 21.06.2019 16:00
An episode of a television show is 60 minutes long when it originally airs with commercials. on a dvd without commercials, the episode is only 417 minutes long. how many1-minute commercials did the episode include when it originally aired? write and solve an equation to justify your answer.
Answers: 2
Mathematics, 21.06.2019 17:20
Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?
Answers: 2
Mathematics, 21.06.2019 20:30
Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.
Answers: 1
Mathematics, 21.06.2019 21:30
A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position
Answers: 2
Micah was asked to add the following expressions: 3x2−x−9x2+3x+2+−2x2+2x+5x2+3x+2 first, he combine...
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